84% (2001)

51% (2006)

68% (1991)

82% (1998)

63% (1992)

60% (1992)

50% (1999)

86% (2016)

75% (1999)

72% (2009)

68% (1997)

64% (1999)

0% (1999)

60% (2000)

60% (2005)

60% (2002)

69% (2006)

68% (2004)

0% (2002)

50% (2009)